President Donald Trump launched a new attack on a revered American institution on Thursday night—a habit of his—with an executive order instructing Vice President JD Vance to begin purging the revered Smithsonian Institution of exhibits that do not align with Trump’s vision of white male supremacy.

The Smithsonian is a group of museums mostly located in Washington, D.C., and a zoo that are revered and respected around the world for preserving American history and culture. The attractions are one of the crown jewels of America’s capital city and one of the primary reasons more than 25 million people visit Washington each year.

Trump wants to change that.

In his executive order titled “Restoring Truth and Sanity to American History,” Trump falsely argues that the Smithsonian is part of a “a concerted and widespread effort to rewrite our Nation’s history, replacing objective facts with a distorted narrative driven by ideology rather than truth.”

This is the language Trump and other members of the conservative movement have […]